The number one technique of all trader is buying coins in a low price and sell it into higher price to get more profit. But there are some ideas of each trader if how they can earn more. One of the important thing while you are trading is control your emotions.
That is the most basic strategy of earning profits in Trading, it is easier to understand among the rest. Applying this kind of strategy on a Day Trading is really good if you have the time to monitor the prices so you could maximize the profits that you could make in a day, but if you only hava little time then it would be better just to hodl, it depends on you though, do what you wanted to do if feel like it is the right thing.
But be careful on buying coins, there is a lot of shitcoins wearing bull shirt, that is a reason for you to lose your investment, better watch out, so you better not cry just like the songs say.